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  title={Sequence level training with recurrent neural networks},
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  year={2016}
}
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  title={Multi-task sequence to sequence learning},
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  booktitle={Proceedings of ICLR},
  year={2016}
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@InProceedings{P16-1159,
  author = 	"Shen, Shiqi
		and Cheng, Yong
		and He, Zhongjun
		and He, Wei
		and Wu, Hua
		and Sun, Maosong
		and Liu, Yang",
  title = 	"Minimum Risk Training for Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2016"
}
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  author = 	"Wiseman, Sam
		and Rush, Alexander M.",
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  year = 	"2016"
}
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  title={Dual learning for machine translation},
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  booktitle={Proceedings of NIPS},
  year={2016}
}
@inproceedings{sokolov2016stochastic,
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  year={2016}
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  title={An actor-critic algorithm for sequence prediction},
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    title={Dual Supervised Learning},
    author={Xia, Yingce and Qin, Tao and Chen, Wei and Bian, Jiang and Yu, Nenghai and Liu, Tieyan},
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    pages={3789--3798},
    year={2017}
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@inproceedings{Xia2017DualInference,
    author = {Yingce Xia and
    Jiang Bian and
    Tao Qin and
    Nenghai Yu and
    Tie{-}Yan Liu},
    title = {Dual Inference for Machine Learning},
    booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
    Artificial Intelligence, {IJCAI} 2017, Melbourne, Australia, August
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    year = {2017}
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@InProceedings{P17-1138,
  author = 	"Kreutzer, Julia
		and Sokolov, Artem
		and Riezler, Stefan",
  title = 	"Bandit Structured Prediction for Neural Sequence-to-Sequence Learning",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@inproceedings{he2017decoding,
  title={Decoding with value networks for neural machine translation},
  author={He, Di and Lu, Hanqing and Xia, Yingce and Qin, Tao and Wang, Liwei and Liu, Tie-Yan},
  booktitle={Proceedings of NIPS},
  year={2017}
}
@InProceedings{N18-1033,
  author = 	"Edunov, Sergey
		and Ott, Myle
		and Auli, Michael
		and Grangier, David
		and Ranzato, Marc'Aurelio",
  title = 	"Classical Structured Prediction Losses for Sequence to Sequence Learning",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-1122,
  author = 	"Yang, Zhen
		and Chen, Wei
		and Wang, Feng
		and Xu, Bo",
  title = 	"Improving Neural Machine Translation with Conditional Sequence Generative Adversarial Nets",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{P18-1155,
  author = 	"Dai, Zihang
		and Xie, Qizhe
		and Hovy, Eduard",
  title = 	"From Credit Assignment to Entropy Regularization: Two New Algorithms for Neural Sequence Prediction",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{D18-1149,
  author = 	"Lee, Jason
		and Mansimov, Elman
		and Cho, Kyunghyun",
  title = 	"Deterministic Non-Autoregressive Neural Sequence Modeling by Iterative Refinement",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1217,
  author = 	"Clark, Kevin
		and Luong, Minh-Thang
		and Manning, Christopher D.
		and Le, Quoc",
  title = 	"Semi-Supervised Sequence Modeling with Cross-View Training",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1397,
  author = 	"Wu, Lijun
		and Tian, Fei
		and Qin, Tao
		and Lai, Jianhuang
		and Liu, Tie-Yan",
  title = 	"A Study of Reinforcement Learning for Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
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  author = 	"Gu, Jiatao
		and Wang, Yong
		and Chen, Yun
		and Li, Victor O. K.
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  title = 	"Meta-Learning for Low-Resource Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1406,
  author = 	"Yavuz, Semih
		and Chiu, Chung-Cheng
		and Nguyen, Patrick
		and Wu, Yonghui",
  title = 	"CaLcs: Continuously Approximating Longest Common Subsequence for Sequence Level Optimization",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{shah2018generative,
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               Barber, David},
  title     = {Generative Neural Machine Translation},
  booktitle = {Proceedings of NeurIPS},
  year = 	{2018}
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@InProceedings{wu2018learning,
  author    = {Wu, Lijun and
               Tian, Fei and
               Xia, Yingce and
               Fan, Yang and
               Qin, Tao and
               Lai, Jianhuang and
               Liu, Tie{-}Yan},
  title     = {Learning to Teach with Dynamic Loss Functions},
  booktitle = {Proceedings of NeurIPS},
  year = 	{2018}
}
@inproceedings{wang2019multi,
  title={Multi-Agent Dual Learning},
  author={Wang, Yiren and Xia, Yingce and He, Tianyu and Tian, Fei and Qin, Tao and Zhai, ChengXiang and Liu, Tie-Yan},
  booktitle={Proceedings of ICLR},
  year={2019}
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@inproceedings{chen2019improving,
  title={Improving Sequence-to-Sequence Learning via Optimal Transport},
  author={Chen, Liqun and Zhang, Yizhe and Zhang, Ruiyi and Tao, Chenyang and Gan, Zhe and Zhang, Haichao and Li, Bai and Shen, Dinghan and Chen, Changyou and Carin Lawrence},
  booktitle={Proceedings of ICLR},
  year={2019}
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@inproceedings{kumar2019von,
  title={Von Mises-Fisher Loss for Training Sequence to Sequence Models with Continuous Outputs},
  author={Kumar, Sachin and Tsvetkov, Yulia},
  booktitle={Proceedings of ICLR},
  year={2019}
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@inproceedings{bi-etal-2019-multi,
    title = "Multi-agent Learning for Neural Machine Translation",
    author = "bi, tianchi  and
      xiong, hao  and
      He, Zhongjun  and
      Wu, Hua  and
      Wang, Haifeng",
    booktitle = "Proceedings of EMNLP)",
}